Juniper EX4400-24X:

Řada Juniper Networks EX4400 představuje novou generaci zabezpečených, cloudově orientovaných switchů, které jsou navrženy pro potřeby vysoce výkonných podnikových sítí a kampusů. Tato řada kombinuje robustní hardware s pokročilým operačním systémem Junos® OS a přináší špičkové funkce pro automatizaci, škálovatelnost a bezpečné propojení uživatelů i IoT zařízení.

Key Technical Details:

Performance & Scalability

• Backplane Speed: 400 Gbps Virtual Chassis interconnect (up to 10 units).

• DRAM / Storage: 8 GB ECC / 16 GB on all models.

• CPU: 1.7 GHz ARM.

• MAC Address Table: 112,000 entries.

• Jumbo Frames: 9216 bytes.

Connectivity & Modules

• Uplink Options: Optional modules for 4x10GbE / 4x25GbE / 1x100GbE.

• Multi-Gigabit Support: 100M/1G/2.5G/5G/10G options on MP/MXP models.

• Fiber Options: Dedicated SFP+ (10GbE) and SFP (1GbE) models for distribution/aggregation.

Power & PoE Features

• PoE Support: IEEE 802.3af (PoE), 802.3at (PoE+), and 802.3bt (PoE++ up to 90W).

• Redundancy: Dual load-sharing, hot-swappable internal power supplies (AC or DC options).

• Advanced PoE: Supports Fast PoE and Perpetual PoE (maintains power during switch reboot).

Layer 2 & Layer 3 Capabilities

• L2 Features: 4094 VLAN IDs, IGMP v1/v2/v3 snooping, LACP (128 groups), STP/RSTP/MSTP.

• L3 Features: Static routing, RIP, OSPF, BGP, IS-IS, VRRP, and VRF-Lite.

• Advanced Routing: Full support for EVPN-VXLAN (Group-Based Policies), MPLS, and BFD.

Security & High Availability

• Network Security: MACsec AES-256 (all ports), Dynamic ARP Inspection (DAI), IP Source Guard, DHCP Snooping.

• Access Control: 802.1X, Captive Portal, RADIUS/TACACS+.

• High Availability: GRES (Graceful Routing Engine Switchover), NSB (Nonstop Bridging), NSR (Nonstop Routing).

• Telemetry: Support for Junos Telemetry Interface (JTI) for real-time monitoring.

Physical & Environmental

• Form Factor: 1U Rack-mountable.

• Cooling: Field-replaceable, hot-swappable fans (Front-to-back or Back-to-front airflow).

• Operating Temp: 32° to 113° F (0° to 45°C).